# geometry question?

• Apr 6th 2008, 06:36 PM
whmandy
geometry question?
the base of an isosceles triangle has length 8. what can you say about the lengths of the legs?
• Apr 6th 2008, 06:57 PM
topher0805
Their length is greater than 4.
• Apr 6th 2008, 07:09 PM
whmandy
find the value of x?

1. 7x+3=10x-9

2. 4x+6=6x-3
• Apr 6th 2008, 07:22 PM
topher0805
You are supposed to post new question in new threads....but I'll answer it anyways.

1.) $7x+3=10x-9$

$7x+12=10x$

Subtract 7x from both sides:

$12=3x$

Divide both sides by 3:

$x=4$

2.) $4x+6=6x-3$

$4x+9=6x$

Subtract 4x from both sides:

$9=2x$

Divide both sides by 2:

$x=\frac {9}{2}$
• Apr 6th 2008, 07:25 PM
Mathstud28
You can say
that their measures are equal...as well as